This must have been a wonderful thesis to write (or rather to do the experiments for)
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Posted 14 March 2019 - 2132 PM
I got some ideas from it if i ever get the funds for building my zombie apocalypse proof concrete donjon :-)
Posted 15 March 2019 - 0551 AM
you never can overprotect....
Now integrating some sort of HEAT protection (water, high quality quartz sand ? ? anyone ?)